Have you received a large lump sum payment or financial windfall? A lump sum payment can come in the form of a bonus from your job, an insurance claim or settlement, a tax refund, an inheritance, or even military benefits or Native American tribal payments. Lump sum payments can provide a long-term boost to your financial situation if you take steps to reduce debt and to bolster savings and investments. To make the most of a lump sum payment, consider these tips.